[INFO] cloning repository https://github.com/Beardiegames/multi_threaded_pool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Beardiegames/multi_threaded_pool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b824f59af668d373ed29b7c22be8b78f91134a2
[INFO] testing Beardiegames/multi_threaded_pool against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeardiegames%2Fmulti_threaded_pool" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Beardiegames/multi_threaded_pool
[INFO] finished tweaking git repo https://github.com/Beardiegames/multi_threaded_pool
[INFO] tweaked toml for git repo https://github.com/Beardiegames/multi_threaded_pool written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Beardiegames/multi_threaded_pool on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Beardiegames/multi_threaded_pool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9
[INFO] running `Command { std: "docker" "start" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_threaded_pool v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool`
[INFO] [stdout]   --> src/tests.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/tests.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[warn(unused_imports)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PoolObject` is never constructed
[INFO] [stdout]   --> src/tests.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct PoolObject(bool);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 24 -         drop(handle);
[INFO] [stdout] 24 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -             drop(handle);
[INFO] [stdout] 33 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 41 -         drop(handle);
[INFO] [stdout] 41 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -             drop(handle);
[INFO] [stdout] 50 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -         drop(handle);
[INFO] [stdout] 58 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 67 -             drop(handle);
[INFO] [stdout] 67 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool`
[INFO] [stdout]   --> src/tests.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout]  3 | mod tests;
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/tests.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[warn(unused_imports)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PoolObject` is never constructed
[INFO] [stdout]   --> src/tests.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct PoolObject(bool);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 24 -         drop(handle);
[INFO] [stdout] 24 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling multi_threaded_pool v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -             drop(handle);
[INFO] [stdout] 33 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 41 -         drop(handle);
[INFO] [stdout] 41 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -             drop(handle);
[INFO] [stdout] 50 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -         drop(handle);
[INFO] [stdout] 58 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 67 -             drop(handle);
[INFO] [stdout] 67 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arc` and `Mutex`
[INFO] [stdout]  --> src/tests.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sync::{Arc, Mutex}, 
[INFO] [stdout]   |            ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/tests.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[warn(unused_imports)]
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DataCell` and `ObjectPool`
[INFO] [stdout]   --> src/tests.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stdout]    |             ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/tests.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[warn(unused_imports)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tests.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |     let mut cluster_updates: (usize, usize) = (
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/tests.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct PoolObject(bool);
[INFO] [stdout]    |        ---------- ^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `PoolObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 24 -         drop(handle);
[INFO] [stdout] 24 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 33 -             drop(handle);
[INFO] [stdout] 33 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 41 -         drop(handle);
[INFO] [stdout] 41 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 50 -             drop(handle);
[INFO] [stdout] 50 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         drop(handle);
[INFO] [stdout]    |         ^^^^^------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 58 -         drop(handle);
[INFO] [stdout] 58 +         let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/shared.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             drop(handle);
[INFO] [stdout]    |             ^^^^^------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 67 -             drop(handle);
[INFO] [stdout] 67 +             let _ = handle;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `DataCell`, `DataManager`, and `ObjectPool`
[INFO] [stderr]   --> src/tests.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stderr]    |             ^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr]  3 | mod tests;
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/tests.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[warn(unused_imports)]
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `PoolObject` is never constructed
[INFO] [stderr]   --> src/tests.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct PoolObject(bool);
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |         drop(handle);
[INFO] [stderr]    |         ^^^^^------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 24 -         drop(handle);
[INFO] [stderr] 24 +         let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             drop(handle);
[INFO] [stderr]    |             ^^^^^------^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 33 -             drop(handle);
[INFO] [stderr] 33 +             let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |         drop(handle);
[INFO] [stderr]    |         ^^^^^------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 41 -         drop(handle);
[INFO] [stderr] 41 +         let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:50:13
[INFO] [stderr]    |
[INFO] [stderr] 50 |             drop(handle);
[INFO] [stderr]    |             ^^^^^------^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 50 -             drop(handle);
[INFO] [stderr] 50 +             let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         drop(handle);
[INFO] [stderr]    |         ^^^^^------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 58 -         drop(handle);
[INFO] [stderr] 58 +         let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/shared.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |             drop(handle);
[INFO] [stderr]    |             ^^^^^------^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  argument has type `&mut DataCell<LocalData>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 67 -             drop(handle);
[INFO] [stderr] 67 +             let _ = handle;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_threaded_pool` (lib) generated 8 warnings (run `cargo fix --lib -p multi_threaded_pool` to apply 1 suggestion)
[INFO] [stderr] warning: unused imports: `Arc` and `Mutex`
[INFO] [stderr]  --> src/tests.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     sync::{Arc, Mutex}, 
[INFO] [stderr]   |            ^^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/tests.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[warn(unused_imports)]
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DataCell` and `ObjectPool`
[INFO] [stderr]   --> src/tests.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | use crate::{DataCell, ObjectPool, DataManager};
[INFO] [stderr]    |             ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/tests.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[warn(unused_imports)]
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tests.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let mut cluster_updates: (usize, usize) = (
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/tests.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct PoolObject(bool);
[INFO] [stderr]    |        ---------- ^^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `PoolObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_threaded_pool` (lib test) generated 10 warnings (6 duplicates) (run `cargo fix --lib -p multi_threaded_pool --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/multi_threaded_pool-87d391568eab8ad3)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::clusters_can_spawn_objects ... ok
[INFO] [stdout] test tests::clusters_have_factories_for_spawning_specific_types ... ok
[INFO] [stdout] test tests::clusters_can_iter_over_objects ... ok
[INFO] [stdout] test tests::clusters_can_destroy_objects ... ok
[INFO] [stdout] test tests::run_thread_handlers_are_called ... FAILED
[INFO] [stdout] test tests::start_stop_threads ... ok
[INFO] [stdout] test tests::local_data_can_be_accessed_on_all_threads ... ok
[INFO] [stdout] test tests::a_thread_tracks_opperation_update_time ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::run_thread_handlers_are_called stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::run_thread_handlers_are_called' (152) panicked at src/tests.rs:81:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: false
[INFO] [stdout]  right: true
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x59d3cad672c1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x59d3cad7c0fa - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x59d3cad6b75c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x59d3cad437a6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x59d3cad5f979 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x59d3cacfbda0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x59d3cad5fb32 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x59d3cad43852 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x59d3cad3c5d9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x59d3cad4444d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x59d3cad7c82c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x59d3cad7c743 - core[df12db4294e9bfd3]::panicking::assert_failed_inner
[INFO] [stdout]   12:     0x59d3cacea546 - core[df12db4294e9bfd3]::panicking::assert_failed::<bool, bool>
[INFO] [stdout]   13:     0x59d3cacebad2 - multi_threaded_pool[c0584ce300d2b5b]::tests::run_thread_handlers_are_called
[INFO] [stdout]   14:     0x59d3cace7379 - <multi_threaded_pool[c0584ce300d2b5b]::tests::run_thread_handlers_are_called::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   15:     0x59d3cacef08b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   16:     0x59d3cacfc6f5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   17:     0x59d3cacf5fb4 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   18:     0x59d3cacff852 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   19:     0x59d3cad66b99 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   20:     0x7fb1e8d80dfa - <unknown>
[INFO] [stdout]   21:     0x7fb1e8e143d4 - clone
[INFO] [stdout]   22:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::run_thread_handlers_are_called
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.08s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9", kill_on_drop: false }`
[INFO] [stdout] 9f225d2f5d625933970c9d74fba32396a860a68870d001c8d54a1788d8d210f9
